Assurant, Inc. (AIZ) Ownership
AIZ ownership summary
as of October 17, 2026- Institutions
- 100.3% of shares outstanding
- Insiders
- 0.70% of shares outstanding
- Shares outstanding
- 49.3M
- Float
- 49.0M shares available to trade
- Short interest
- 3.56% 1.3M shares short
- Days to cover
- 3.48 short interest down 5.2% vs prior month
- Institutions 100.29%
- Insiders 0.70%
AIZ top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 10.16% | 5.0M | $1.42B | +1.1M (+27.0%) | June 30, 2026 |
| 2 | Bank of New York Mellon Corp | 9.59% | 4.7M | $1.34B | −89,021 (−1.8%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 6.56% | 3.2M | $917.1M | −6,568 (−0.2%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 5.75% | 2.8M | $803.6M | −171,830 (−5.7%) | June 30, 2026 |
| 5 | State Street Corp | 5.15% | 2.5M | $720.1M | +10,481 (+0.4%) | June 30, 2026 |
| 6 | T. Rowe Price Investment Management,Inc. | 4.92% | 2.4M | $687.7M | −844,823 (−25.8%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.87% | 1.4M | $401.5M | +10,423 (+0.7%) | June 30, 2026 |
| 8 | Amvescap Plc. | 2.49% | 1.2M | $347.5M | +282 (+0.0%) | June 30, 2026 |
| 9 | Dimensional Fund Advisors, Inc. | 2.43% | 1.2M | $339.8M | +73,899 (+6.6%) | June 30, 2026 |
| 10 | T. Rowe Price Associates, Inc. | 2.32% | 1.1M | $324.0M | −2,883 (−0.3%) | June 30, 2026 |
| 11 | Bank of America Corp | 2.04% | 1.0M | $284.5M | +642,906 (+178.0%) | June 30, 2026 |
| 12 | Massachusetts Financial Services Company | 1.87% | 920K | $260.8M | −2,023 (−0.2%) | June 30, 2026 |
| 13 | Fuller & Thaler Asset Management Inc | 1.82% | 896K | $253.9M | +198,829 (+28.5%) | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | 1.58% | 777K | $220.2M | +120,272 (+18.3%) | June 30, 2026 |
| 15 | VOYA INVESTMENT MANAGEMENT LLC | 1.53% | 754K | $213.8M | −79,646 (−9.5%) | June 30, 2026 |
| 16 | FMR Inc | 1.40% | 690K | $195.5M | −60,457 (−8.1%) | June 30, 2026 |
| 17 | NORGES BANK | 1.32% | 652K | $184.6M | −19,123 (−2.9%) | June 30, 2026 |
| 18 | First Trust Advisors L.P. | 1.24% | 613K | $173.5M | −20,371 (−3.2%) | June 30, 2026 |
| 19 | Lyrical Asset Management LP | 1.18% | 583K | $165.1M | −29,301 (−4.8%) | June 30, 2026 |
| 20 | Schroder Investment Management Group | 1.11% | 549K | $155.5M | +49,051 (+9.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 2.2M shares and 11 cut 1.3M.
AIZ top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.19% | 1.6M | $446.2M | −1,560 (−0.1%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.67% | 1.3M | $373.1M | +15,379 (+1.2%) | August 31, 2026 |
| 3 | BNY Mellon Dynamic Value Fund A | 2.40% | 1.2M | $336.0M | — | August 31, 2026 |
| 4 | Vanguard Small Cap Index | 2.31% | 1.1M | $323.0M | +1,059 (+0.1%) | August 31, 2026 |
| 5 | T. Rowe Price Mid-Cap Growth | 2.19% | 1.1M | $306.0M | −79,968 (−6.9%) | August 31, 2026 |
| 6 | FullerThaler Behavioral Sm-Cp Eq R6 | 1.73% | 853K | $241.6M | +172,390 (+25.3%) | June 30, 2026 |
| 7 | Vanguard MStar Small Cap Value Index | 1.47% | 724K | $205.1M | +546 (+0.1%) | August 31, 2026 |
| 8 | Invesco S&P 500® Equal Weight ETF | 1.41% | 698K | $197.6M | −1,425 (−0.2%) | September 30, 2026 |
| 9 | Fidelity 500 Index | 1.30% | 643K | $182.2M | +2,474 (+0.4%) | August 31, 2026 |
| 10 | iShares Core S&P 500 ETF | 1.28% | 633K | $179.2M | — | September 30, 2026 |
| 11 | MFS Mid Cap Value A | 1.26% | 620K | $175.6M | −7,271 (−1.2%) | August 31, 2026 |
| 12 | iShares Large Cap Core Active ETF | 1.25% | 617K | $174.9M | — | September 30, 2026 |
| 13 | State Street® SPDR® S&P 500® ETF | 1.24% | 610K | $172.8M | — | September 30, 2026 |
| 14 | T. Rowe Price Mid-Cap Value | 1.12% | 552K | $156.3M | −338 (−0.1%) | August 31, 2026 |
| 15 | JNL/Newton Equity Income A | 1.02% | 504K | $142.7M | — | June 30, 2026 |
| 16 | State Street® SPDR® S&P® Dividend ETF | 0.90% | 444K | $125.8M | — | September 30, 2026 |
| 17 | First Trust SMID Cp Rising Div Achv ETF | 0.79% | 391K | $110.8M | — | September 30, 2026 |
| 18 | State Street®FinSelSectSPDR®ETF | 0.68% | 334K | $94.6M | −2,178 (−0.6%) | September 30, 2026 |
| 19 | Vanguard Explorer Inv | 0.64% | 314K | $89.1M | −133,032 (−29.7%) | June 30, 2026 |
| 20 | BNY Mellon US Equity Income F Acc | 0.61% | 303K | $85.8M | +24,187 (+8.7%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AIZ insider transactions
latest 12| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-20 | Dimitry Dirienzo | Sell | $210.98 | 750 | $158,235 |
| 2026-03-20 | Subhashish Sengupta | Sell | $210.53 | 1,880 | $395,796 |
| 2026-03-19 | Subhashish Sengupta | Sell | $215.00 | 20 | $4,300 |
| 2026-01-29 | Ro Khanna | Sell | $238.36 | — | — |
| 2025-10-03 | Keith Demmings | Sell | $220.52 | 13,725 | $3.0M |
| 2025-08-29 | Keith Demmings | Sell | $220.27 | 4,275 | $941,654 |
| 2025-08-29 | Keith Demmings | Sell | $220.27 | 4,275 | $941,654 |
| 2025-08-26 | Julia Letlow | Buy | $214.31 | — | — |
| 2025-08-12 | Jay Rosenblum | Sell | $208.53 | 3,900 | $813,267 |
| 2025-08-08 | Dimitry Dirienzo | Sell | $204.96 | 950 | $194,712 |
| 2025-08-04 | Ro Khanna | Buy | $188.93 | — | — |
| 2025-05-16 | Jay Rosenblum | Sell | $201.93 | 1,000 | $201,930 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
AIZ shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AIZ
Institutional investors own 100.3% of Assurant's shares and insiders 0.70%. The largest holder is BlackRock Inc with 10.16% of the shares (5.0M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 11 reduced their stake in the latest filings. Short interest is 3.56% of the float, or 3.48 days of average trading volume. The share count fell 30.4% since 2014.
Related: AIZ analyst forecast, AIZ key metrics, AIZ dividend history. See the AIZ stock overview for the latest quote and news.
AIZ ownership FAQ
Who owns the most Assurant stock?
The largest shareholders of Assurant are BlackRock Inc (10.16%), Bank of New York Mellon Corp (9.59%), Vanguard Capital Management, LLC (6.56%), Vanguard Portfolio Management, LLC (5.75%), State Street Corp (5.15%).
What percentage of Assurant is owned by institutions?
Institutions hold 100.3% of Assurant's shares outstanding; insiders hold 0.70%.
Which funds own Assurant?
The largest fund holders of Assurant are Vanguard MStar Total Stk Mkt Idx Invest (3.19%), Vanguard 500 Index Investor (2.67%), BNY Mellon Dynamic Value Fund A (2.40%), Vanguard Small Cap Index (2.31%), T. Rowe Price Mid-Cap Growth (2.19%).
What is Assurant's short interest?
1.3M shares of Assurant were sold short, 3.56% of the float; at the average daily volume it would take 3.48 days to cover.
Are insiders buying or selling Assurant?
Of the latest 12 reported insider transactions in Assurant (since May 16, 2025), 2 were purchases and 10 were sales.
How many shares of Assurant are outstanding?
Assurant has 49.3M shares outstanding, of which 49.0M are in the public float.